Ranunculus hystriculus

A. Gray

Proc. Amer. Acad. Arts 7: 328. 1867.

EndemicIllustrated
Synonyms: Kumlienia hystriculus (A. Gray) Greene
Treatment appears in FNA Volume 3.

Stems erect from short caudices, not rooting nodally, glabrous, not bulbous-based. Tuberous roots absent. Leaves: basal leaf-blades semicircular or reniform in outline, shallowly 5-7-lobed, 1.2-4.6 × 1.8-6.6 cm, ultimate segments semicircular, margins crenate, apex rounded or weakly apiculate; cauline leaves 0-2, scalelike. Flowers: receptacle glabrous; sepals spreading, white or pale-yellow, 6-13 × 3-6 mm, glabrous; petals 8-12, greenish, 2-4 × 0.6-1.6 mm. Heads of achenes ovoid, 6-7 × 6-8 mm; achenes 3.8-4.2 × 0.8-1 mm, canescent; beak persistent, filiform, 1.2-1.4 mm, hooked distally.


Phenology: Flowering winter–summer (Feb–Jul).
Habitat: Wet places near streams, especially around waterfalls
Elevation: 300-2300 m

Discussion

Ranunculus hystriculus is endemic to the west slope of the Sierra Nevada.

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus hystriculus"
0.38 cm3.8 mm <br />0.0038 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
0.8mm;1mm +
apiculate +  and rounded +
Alan T. Whittemore +
A. Gray +
1.2 cm12 mm <br />0.012 m <br /> (4.6 cm46 mm <br />0.046 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (6.6 cm66 mm <br />0.066 m <br />) +
cuneate +, truncate +  and cordate +
Undefined sect. Ranunculus +
curved +  and straight +
persistent +
hooked +  and filiform +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
3-lobed;scale-like;lobed +
large +  and small +
globose;cylindric +
petiolate;sessile +
1-2-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
300-2300 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Wet places near streams, especially around waterfalls +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
axillary +  and terminal +
reniform +  and linear +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
palmate +  and pinnate +
distinct +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
Flowering winter–summer (Feb–Jul). +
4 +  and 250 +
Proc. Amer. Acad. Arts +
inconspicuous +
crescentic +
not arillate +  and stalked +
pale-yellow;white +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Endemic +  and Illustrated +
(5-)10-many +
not bulbous-based +  and rooting +
not bulbous-based +
persistent +
Kumlienia hystriculus +
Ranunculus hystriculus +
Ranunculus sect. Pseudaphanostemma +
species +
perennial +  and annual +
herbaceous +  and woody +